TWI544380B - Touch panel module and touch controller thereof - Google Patents

Description

Touch panel module and touch controller thereof

The present invention relates to a panel module and a controller thereof, and more particularly to a touch panel module and a touch controller thereof.

Generally, the touch panel has a plurality of touch electrodes, and each touch electrode can be divided into two parts, a driving electrode and a receiving electrode. The driving electrodes and the sensing electrodes may be disposed on the same conductive layer of the touch panel, or may be disposed in different conductive layers of the touch panel. In addition, each of the driving electrodes and each of the sensing electrodes are insulated from each other and connected to a controller (for example, a touch controller) by different electrical paths. The controller may have a plurality of signal processing channels for driving each of the driving electrodes and sensing each of the sensing electrodes to sense the capacitance of each touch electrode in the touch panel.

However, when there are more touch electrodes of the touch panel, the number of drive electrodes to be driven by the controller and the number of sensing electrodes to be sensed are increased. That is, The number of signal processing channels of the controller also needs to increase. As a result, it will inevitably increase the cost of the controller.

The invention provides a touch panel module and a touch controller thereof, which can reduce the cost of the touch controller.

An exemplary embodiment of the present invention provides a touch panel module. The touch panel module includes a touch controller and a touch panel. The touch controller includes a plurality of signal processing channels. The touch panel is electrically connected to the touch controller. The touch panel includes a plurality of first electrodes and a plurality of second electrodes. The first electrodes are electrically connected to the corresponding signal processing channels in the touch controller by using a plurality of first signal traces. The second electrodes are electrically connected to the corresponding signal processing channels of the touch controller by using a plurality of second signal traces. The touch panel is divided into a plurality of regions, and the number of the signal processing channels of the touch controller is determined according to the number of the first signal traces, the number of the second signal traces, and the divided regions. The number is determined.

In an embodiment of the present invention, the number of the signal processing channels of the touch controller in the touch panel module is determined according to the number of the first signal traces in each area and the divided The product of the number of regions and the number of such second signal traces of the touch panel are determined by the ratio of the number of such regions divided.

In an embodiment of the touch panel of the touch panel module, the number of the signal processing channels electrically connected to the first electrodes is It is determined according to the product of the number of the first signal traces of each area and the number of the divided areas.

In an embodiment of the touch panel module, the number of the signal processing channels electrically connected to the second electrodes is determined according to the second of the touch panels. The ratio of the number of signal traces to the number of such zones divided is determined.

In an embodiment of the present invention, the number of the first signal traces in each area of the touch panel module is M, and the number of the second signal traces of the touch panel is N, and The number of the divided regions is D, and the number of the signal processing channels of the touch controller is (N/D)+(M×D), where M, N, and D are positive integers.

In an embodiment of the invention, the touch panel of the touch panel module includes a plurality of touch sensing units. Each of the touch sensing units includes one or more of the first electrodes and one or more of the second electrodes.

In an embodiment of the present invention, the first signal traces are electrically connected to the corresponding first electrodes of the touch sensing units.

In an embodiment of the present invention, in the touch panel of the touch panel module, the second signal traces are divided into one or more groups according to the number of the touch sensing units included in each area.

In an embodiment of the present invention, in the touch panel of the touch panel module, each of the second signal traces of the group is electrically connected to the corresponding touches in each area. Sensing unit.

In an embodiment of the present invention, in the touch panel module, each group of second signal traces includes one or more of the second signal traces, and in each group of second signal traces, The one or more second signal traces are electrically connected to the corresponding second electrodes of the corresponding touch sensing units.

In an embodiment of the present invention, the touch panel determines the number of the divided regions according to the number of the first signal traces and the number of the second signal traces. Quantity.

In an embodiment of the present invention, the number of the divided regions of the touch panel module is smaller than the number of the first signal traces of the respective regions and the second signals of the touch panel. The ratio of the larger of the number of lines to the smaller of the number of such first signal traces of each area and the number of such second signal traces of the touch panel.

In an embodiment of the invention, in the touch panel module, the number of the second signal traces is greater than the number of the first signal traces, and the touch panel is on the second electrodes. The arrangement direction is divided into regions.

In an embodiment of the present invention, the first electrode is one of a driving electrode and a sensing electrode selected from the group of the touch panel, and the second electrode is selected from the group consisting of a touch panel. The other of the drive electrode and the sense electrode of the panel.

An exemplary embodiment of the present invention provides a touch controller. The touch controller includes a plurality of signal processing channels for controlling a touch panel. The touch panel includes a plurality of first electrodes and a plurality of second electrodes. The first electrodes and the like The second electrodes are electrically connected to the signal processing channels of the touch controller by using a plurality of first signal traces and a plurality of second signal traces. The touch panel is divided into a plurality of regions. The number of the signal processing channels of the touch controller is determined according to the number of the first signal traces, the number of the second signal traces, and the number of the divided regions.

In an embodiment of the invention, the number of the signal processing channels of the touch controller is based on the product of the number of the first signal traces of each area and the number of the divided regions and the touch. The ratio of the number of such second signal traces of the panel to the number of such regions divided is determined.

In an embodiment of the present invention, the number of the signal processing channels electrically connected to the first electrodes in the touch controller is determined according to the number of the first signal traces of each area. The product of the number of these regions is determined.

In an embodiment of the present invention, the number of the signal processing channels electrically connected to the second electrodes in the touch controller is determined according to the number and division of the second signal traces of the touch panel. The ratio of the number of such areas is determined.

In an embodiment of the touch controller of the present invention, the number of the first signal traces in each area is M, and the number of the second signal traces of the touch panel is N and the divided The number of these regions is D, and the number of these signal processing channels of the touch controller is (N/D)+(M×D), where M, N, and D are positive integers.

In an embodiment of the touch controller of the present invention, the touch panel includes a plurality of touch sensing units, and each of the touch sensing units includes one or more of the first electrodes and the second One to many of the electrodes.

In an embodiment of the touch controller of the present invention, the first signal traces are electrically connected to the corresponding first electrodes of the touch sensing units.

In an embodiment of the touch controller of the present invention, the second signal traces are divided into one or more groups according to the number of the touch sensing units included in each area.

In an embodiment of the touch controller of the present invention, in the touch panel, each group of second signal traces is electrically connected to the corresponding touch sensing units in each area.

In an embodiment of the touch controller of the present invention, each group of second signal traces includes one or more of the second signal traces, and one or more of the plurality of second signal traces The second signal traces are electrically connected to the corresponding second electrodes of the touch sensing units.

In an embodiment of the touch controller of the present invention, the touch panel determines the number of the divided regions according to the number of the first signal traces and the number of the second signal traces.

In an embodiment of the touch controller of the present invention, the number of the divided regions is smaller than the number of the first signal traces of the regions and the second signal traces of the touch panel. The ratio of the smaller of the larger of the number to the smaller of the number of the first signal traces of the area and the number of the second signal traces of the touch panel.

In an embodiment of the above touch controller of the present invention, wherein the The number of the second signal traces is greater than the number of the first signal traces, and the touch panel is divided into the regions in the direction in which the second electrodes are arranged.

In an embodiment of the touch controller of the present invention, the first electrodes are one selected from the group consisting of a driving electrode and a sensing electrode of the touch panel, and the second electrodes are selected from the group consisting of a touch panel. The other of the drive electrode and the sense electrode.

Based on the above, the touch panel module and the touch controller of the exemplary embodiment of the present invention can divide the touch panel into a plurality of regions, so that the number of signal processing channels of the touch controller can be determined according to the touch panel. The number of first signal traces, the number of second signal traces, and the number of divided regions are determined. In this way, the number of signal processing channels in the touch controller can be reduced, and the cost of the touch controller can be further reduced.

The above described features and advantages of the invention will be apparent from the following description.

100, 200, 300, 400, 410, 420, 430, 440, 450‧‧‧ touch panels

110, 210, 310‧‧‧ touch electrodes

112, 212, 311, 312, 313‧‧‧ second electrode

114, 214, 314‧‧‧ first electrode

900, 910, 920, 930, 940, 950‧‧‧ touch controller

1000, 2000, 3000, 4000, 5000, 6000‧‧‧ touch panel modules

CH_1~CH_20‧‧‧ signal processing channel

D11~D16, D21~D23, D31, D32, D81, D82‧‧‧ areas

Group G51, G61, G62, G71~G73‧‧‧

GND‧‧‧ Grounding

NTX1~NTX12‧‧‧First signal trace

RS1~RS6‧‧‧Second electrode series

RX1~RX18‧‧‧Second signal trace

TS1, TS2, TS11~TS14‧‧‧ first electrode series

TX1~TX20, TXP‧‧‧ first signal branch line

U11~U14, U21~U24, U31~U3Q, U51~U56, U61~U66, U71~U76‧‧‧ touch sensing unit

FIG. 1 is a schematic diagram of a layout structure of a touch panel according to an embodiment of the invention.

FIG. 2 is a schematic diagram showing the layout of a touch panel according to another embodiment of the invention.

FIG. 3 is a schematic diagram of a layout structure of a touch panel according to another embodiment of the invention.

4 is a block diagram of a touch panel module according to an embodiment of the invention.

FIG. 5 is a block diagram of a touch panel module according to another embodiment of the invention.

FIG. 6 is a block diagram of a touch panel module according to another embodiment of the invention.

FIG. 7 is a block diagram of a touch panel module according to another embodiment of the invention.

FIG. 8 is a block diagram of a touch panel module according to another embodiment of the invention.

FIG. 9 is a block diagram of a touch panel module according to another embodiment of the invention.

Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of a touch panel 100 according to an embodiment of the invention. As shown in FIG. 1 , the touch panel 100 has four touch sensing units U11 - U14 , and each of the touch sensing units U11 - U14 has five touch electrode units 110 . It should be noted that the number of the touch sensing unit and the touch electrode unit is not intended to limit the present invention. Each touch electrode unit 110 includes two portions, which are a first electrode 114 and a second electrode 112, respectively. The first electrodes 114 are one of the driving electrodes and the sensing electrodes of the touch panel 100 , and the second electrodes 112 are the other of the driving electrodes and the sensing electrodes of the touch panel 100 . In this case, The first electrode 114 is, for example, a drive electrode, and the second electrode 112 is, for example, a sensing electrode. The second electrodes 112 and the first electrodes 114 are disposed in the same conductive layer of a substrate (not shown). The second electrode 112 and the first electrode 114 are insulated from each other. In each of the touch electrode units 110, the first electrode 114 is disposed in a square portion of the corresponding touch electrode unit 110, and the second electrode 112 is disposed around the first electrode 114. However, the present invention is not limited thereto. The shape and relative position of the first electrode and the second electrode. The touch electrode unit 110 can be any light-transmitting conductive material such as indium-tin oxide (ITO) or the like. The substrate may be, for example, polycarbonate (PC), polyethylene (PE), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA) or Transparent material such as glass substrate.

As shown in FIG. 1 , in each of the touch sensing units U11 to U14 of the touch panel 100 , the second electrodes 112 of the five touch electrode units 110 are electrically connected to each other in a column direction, and the first The two signal wires RX1~RX4 are electrically connected to the touch controller (not shown). In detail, in the touch sensing unit U11, the second electrodes 112 of the five touch electrode units 110 are electrically connected to each other in the row direction, and are electrically connected to the touch controller by using the second signal trace RX1. In the touch sensing unit U12, the second electrodes 112 of the five touch electrode units 110 are electrically connected to each other in the row direction, and are electrically connected to the touch controller by using the second signal trace RX2. In the touch sensing unit U13, the second electrodes 112 of the five touch electrode units 110 are electrically connected to each other in the row direction, and are electrically connected to the touch controller by using the second signal trace RX3. In the touch sensing unit U14, the second electrodes 112 of the five touch electrode units 110 are in a row The two are electrically connected to each other, and are electrically connected to the touch controller by using the second signal line RX4. In each of the touch sensing units U11 to U14, each of the first electrodes 114 of each of the touch electrode units 110 is connected to the touch controller through the respective first signal branches TX1 to TX20. In detail, the five first electrodes 114 of the touch sensing unit U11 are respectively connected to the touch controller through the respective first signal branches TX1~TX5. The five first electrodes 114 of the touch sensing unit U12 are respectively connected to the touch controller through the respective first signal branches TX6~TX10. The five first electrodes 114 of the touch sensing unit U13 are respectively connected to the touch controller through the respective first signal branches TX11~TX15. The five first electrodes 114 of the touch sensing unit U14 are respectively connected to the touch controller through the respective first signal branches TX16~TX20.

Although the embodiment shown in FIG. 1 is a touch panel 100 having 20 touch electrode units 110, and the touch panel 100 is implemented by an arrangement of 5 by 4 electrode arrays, the present invention Not limited to this. The number of touch electrode units 110 included in the touch panel 100 and the arrangement thereof depend on actual design requirements. That is to say, the touch panel can be realized by multiplying P by the arrangement of the electrode arrays of Q, where P and Q are positive integers. In this example, the touch panel will have Q touch sensing units, and each of the Q touch sensing units has P touch electrode units. In addition, according to the embodiment described in FIG. 1 , in this example, the touch panel will have Q second signal traces and P multiplied by Q first signal stubs. The second electrodes of the touch panel can be connected to the touch controller by using the second signal traces. The first electrodes of the touch panel are connected to the touch controller by using the first signal branches.

Please refer to FIG. 2. FIG. 2 is a schematic structural diagram of a touch panel 200 according to another embodiment of the invention. As shown in FIG. 2, the touch panel 200 has four touch sensing units U21~U24, and each of the touch sensing units U21~U24 has five touch electrode units 210. It should be noted that the number of the touch sensing unit and the touch electrode unit is not intended to limit the present invention. Each of the touch electrode units 210 includes two portions, which are a first electrode 214 and a second electrode 212, respectively. The first electrodes 214 are one of the driving electrodes and the sensing electrodes of the touch panel 200 , and the second electrodes 212 are the other of the driving electrodes and the sensing electrodes of the touch panel 200 . In this example, the first electrode 214 is, for example, a drive electrode, and the second electrode 212 is, for example, a sense electrode. The second electrodes 212 and the first electrodes 214 are disposed in the same conductive layer of a substrate. The second electrode 212 and the first electrode 214 are insulated from each other. In each of the touch electrode units 210, the first electrode 214 and the second electrode 212 are spiraled and surround each other, as shown in FIG. However, the present invention does not limit the shape and relative position of the first electrode 214 and the second electrode 212. For other implementation details of FIG. 2, reference may be made to the related description in FIG. 1 above, and details are not described herein again.

Similarly, although the embodiment shown in FIG. 2 illustrates a touch panel 200 having 20 touch electrode units 210, and the touch panel 200 is also implemented by an arrangement of 5 by 4 electrode arrays, The invention is not limited thereto. The number of touch electrode units 210 included in the touch panel 200 and the arrangement thereof depend on actual design requirements.

Please refer to FIG. 3 . FIG. 3 is a schematic structural diagram of a touch panel 300 according to another embodiment of the present invention. As shown in FIG. 3, the touch panel 300 has There are Q touch sensing units U31~U3Q, and each of the touch sensing units U31~U3Q has P touch electrode units 310, wherein P and Q are positive integers. Each of the touch electrode units 310 includes four portions, and one first electrode 314 is associated with three second electrodes 311 to 313. The first electrodes 314 are one of the driving electrodes and the sensing electrodes of the touch panel 300 , and the second electrodes 311 313 313 are the other of the driving electrodes and the sensing electrodes of the touch panel 300 . In each of the touch electrode units 310, a driving electrode is combined with three sensing electrodes as an example. The first electrode 314 is, for example, a driving electrode, and the second electrodes 311 to 313 are, for example, sensing electrodes. The second electrodes 311 to 313 and the first electrodes 314 are disposed in the same conductive layer of a substrate (not shown). The second electrodes 311 to 313 and the first electrode 314 are insulated from each other. In each of the touch electrode units 310, the first electrode 314 is disposed on the left side of the corresponding touch electrode unit 310, and the three second electrodes 311-313 are sequentially disposed on the first electrode 314 from top to bottom. On the right side. In this embodiment, the first electrode 314 is disposed in a rectangular shape in the touch electrode unit 310, and the three second electrodes 311 to 313 are arranged in a square on the right side of the first electrode 314, as shown in FIG. Show. However, the present invention does not limit the shape and relative position of the first electrode 314 and the second electrodes 311 to 313. The present invention does not limit the number of second electrodes to which one first electrode is associated in each touch electrode unit 310. For example, in one embodiment of the invention, one first electrode can be associated with fewer than three second electrodes. In yet another embodiment of the invention, one first electrode can be associated with more than three second electrodes. For the material of the touch electrode unit 310 and the above substrate, refer to the related description of FIG. 1 above, and the description thereof will not be repeated here.

As shown in FIG. 3, in each of the touch sensing units U31 to U3Q of the touch panel 300, the corresponding second electrodes of the P touch electrode units 310 are electrically connected to each other in the row direction, and the second signal is utilized. The wires RX1~RX3 are connected to the touch controller (not shown). For example, in the touch sensing unit U31, the second electrodes 311 of the P touch electrode units 310 are electrically connected to each other in the row direction, and are connected to the touch controller by using the second signal trace RX1. The second electrodes 312 of the P touch electrode units 310 are electrically connected to each other in the row direction, and are connected to the touch controller by the second signal traces RX2. The second electrodes 313 of the P touch electrode units 310 are electrically connected to each other in the row direction, and are connected to the touch controller by using the second signal traces RX3. The connection manner of the second electrodes of the remaining touch sensing units U32~U3Q can be analogized according to the above description. In each of the touch sensing units U31 to U3Q, each of the first electrodes 314 of each of the touch electrode units 310 is connected to the touch controller through a respective first signal branch. For example, in the touch sensing unit U31, the first electrodes 314 of the P touch electrode units 310 are connected to the touch controller by using the respective first signal branches TX1~TXP. The connection manner of the first electrodes of the remaining touch sensing units U32~U3Q can be analogized according to the above description. The number of touch electrode units 310 included in the touch panel 300 shown in FIG. 3 and the arrangement thereof may be determined according to actual design requirements.

Referring to FIG. 4, FIG. 4 is a block diagram of a touch panel module 1000 according to an embodiment of the invention. The touch panel module 1000 includes a touch panel 400 and a touch controller 900. The touch panel 400 is electrically connected to the touch controller 900. The touch panel 400 includes a plurality of first electrodes (not shown) and a plurality of second electrodes (not shown). In this embodiment, the layout structure of the touch panel 400 can be, for example, The present invention is not limited by the examples illustrated in FIGS. 1 to 3. The touch controller 900 includes a plurality of signal processing channels CH_1~CH_20. The signal processing channels CH_1~CH_20 are used to drive one of the first electrode and the second electrode of the touch panel 400 as one of the driving electrodes, and sense the first electrode and the second electrode of the touch panel 400 as sensing The capacitance of the other location of the electrode. The touch controller 900 can be disposed on the substrate of the touch panel 400 by using a chip-on-glass (COG) process, or can be configured to be flexible by a chip-on-film (COF) process. On a printed circuit (PCB), or on a printed circuit board (PCB) using a die-on-board (COB) process, however, the present invention does not Limited. The touch panel 400 shown in FIG. 4 may be one of the touch panels 100, 200, and 300 as shown in FIG. 1 , FIG. 2 , and FIG. 3 , and thus the implementation of the touch panel 400 illustrated in FIG. 4 . For details, refer to the related descriptions in FIGS. 1 to 3, and details are not described herein again, but the present invention is not limited thereto.

In this embodiment, the touch panel 400 has a plurality of first signal branches TX1 TXTX12 and a plurality of second signal traces RX1 R RX18. As described above with respect to FIG. 1 , FIG. 2 and FIG. 3 , the first signal branches TX1 - TX12 of the touch panel 400 are used to connect the plurality of first electrodes and the touch controller 900 of the touch panel 400 . The second signal lines RX1 R R12 are connected to the plurality of second electrodes of the touch panel 400 and the touch controller 900 . In this example, the touch panel 400 has not yet divided the area, but from another point of view, it can also be regarded as being divided into one area, that is, the number of divided areas D=1. In order to reduce the signal in the touch controller 900 The first electrodes of the touch panel 400 are electrically connected to the corresponding signal processing channels CH_1 and CH_2 of the touch controller 900 by using the first signal branches TX1 to TX12, respectively. In detail, in the touch panel 400, a portion of the first electrodes are connected to the corresponding signal processing channel CH_1 in the touch controller 900 by using the odd-numbered first signal branches TX1, TX3, TX5, TX7, TX9, and TX11. The first signal branches TX1, TX3, TX5, TX7, TX9, and TX11 are electrically connected to each other to form a first signal trace NTX1. The other part of the first electrode is connected to the corresponding signal processing channel CH_2 in the touch controller 900 by using the even number of first signal branches TX2, TX4, TX6, TX8, TX10, TX12, wherein the first signal branch line TX2 The TX4, TX6, TX8, TX10, and TX12 are electrically connected to each other to form a first signal trace NTX2. In other words, in this example, there are substantially two first signal traces for connecting the first electrode to the signal processing channels CH_1 and CH_2, that is, the number of the first signal traces M=2. On the other hand, the second electrodes of the touch panel 400 are connected to the corresponding signal processing channels CH_3 - CH_20 in the touch controller 900 by using the second signal traces RX1 R RX18 . In other words, in this example, there are substantially 18 second signal traces for connecting the second electrode to the signal processing channels CH_3~CH_20, that is, the number of second signal traces of the touch panel 400. =18. As a result, the touch controller 900 only needs 20 signal processing channels CH_1~CH_20 by connecting the first signal trace and the second signal trace in the touch panel module 1000 as shown in FIG. It is sufficient to drive and sense the touch panel 400. That is to say, the number of signal processing channels CH_1~CH_20 of the touch controller 900 conforms to the parameter formula (N/D)+(M×D). Therefore, in this embodiment, the touch controller 900 is informed. The number of the processing channels CH_1~CH_20 is determined according to the number of the first signal traces, the number of the second signal traces, and the number of regions divided on the touch panel 400. It should be noted that, in this embodiment, the number of divided regions and the number of signal traces and signal processing channels are for illustrative purposes only and are not intended to limit the present invention.

In one embodiment of the present invention, another touch panel module and a touch controller are proposed, which can reduce the number of signal processing channels required by the touch controller 900 of the embodiment of FIG. 4. Please refer to FIG. 5 , which is a block diagram of a touch panel module 2000 according to another embodiment of the invention. The touch panel module 2000 includes a touch panel 410 and a touch controller 910. The touch panel 410 includes a plurality of first electrodes (not shown) and a plurality of second electrodes (not shown). In the present embodiment, the layout structure of the touch panel 410 can be, for example, illustrated in FIGS. 1 to 3, and the present invention is not limited thereto. The touch controller 910 includes a plurality of signal processing channels CH_1~CH_15 for controlling the touch panel 410. The signal processing channels CH_1~CH_15 are used to drive one of the first electrode and the second electrode of the touch panel 410 as one of the driving electrodes, and to sense the first electrode and the second electrode of the touch panel 410 as sensing The capacitance of the location of the other of the electrodes. In the present embodiment, the layout structure of the touch panel 410 can be, for example, illustrated in FIGS. 1 to 3, and the present invention is not limited thereto.

Please refer to Figure 5 again. The touch panel 410 has a plurality of first signal branches TX1 TXTX12 and a plurality of second signal traces RX1 R RX18. As described above with respect to FIG. 1 , FIG. 2 and FIG. 3 , the first signal branches TX1 to TX12 of the touch panel 410 . The plurality of first electrodes and the touch controller 910 are connected to the touch panel 410, and the second signal traces RX1 RX12 are used to connect the plurality of second electrodes and touches of the touch panel 410. Control controller 910. Here, the touch panel 410 is divided into a plurality of regions, for example, six regions D11 to D16 as shown in FIG. 5. Therefore, the number of regions divided in this example is D=6. Each of the above regions D11~D16 includes two first signal branches and three second signal lines. For example, the area D11 includes two first signal branches TX1 and TX2 and three second signal lines RX1 to RX3. The rest of the area D12~D16 can be deduced by analogy. In other words, in this example, the first signal traces NTX1 and NTX2 for connecting the first electrode to the signal processing channels CH_1 and CH_2 are the first branch lines TX1 and TX2, so that there are substantially two, that is, two The number of the first signal traces is M=2. The first electrodes of the touch panel 410 are connected to the corresponding signal processing channels CH_1~CH_12 of the touch controller 910 by using the first signal traces NTX1~NTX12. In detail, in the touch panel 410, a portion of the first electrodes are connected to the corresponding signal processing channel CH_1 of the touch controller 910 by using the first signal trace NTX1. A portion of the first electrode is connected to the corresponding signal processing channel CH_2 of the touch controller 910 by using the first signal trace NTX2. The remaining first electrodes can be deduced by analogy. In other words, in this example, the number of first signal traces of each of the regions D11 to D16 is M=2. In this embodiment, the number of signal processing channels CH_1~CH_12 electrically connected to the first electrode in the touch controller 910 is based on the number of the first signal traces of each area M=2 and the number of divided regions. The product of D=6 is determined, that is, the number of signal processing channels CH_1~CH_12 is M×D=12.

On the other hand, the second electrodes of the touch panel 410 utilize the second signal. The wires RX1 RX18 are respectively connected to the corresponding signal processing channels CH_13~CH_15 in the touch controller 910. In detail, in the touch panel 410, the first portion of the second electrode is connected to the corresponding signal processing channel CH_13 in the touch controller 910 by using the second signal lines RX1, RX4, RX7, RX10, RX13, and RX16. In this example, the second signal traces RX1, RX4, RX7, RX10, RX13, and RX16 are electrically connected to each other and connected to the corresponding signal processing channel CH_13 of the touch controller 910 through the second signal trace RX1. However, the present invention is not limited thereto. For example, the second signal traces RX1, RX4, RX7, RX10, RX13, and RX16 may be electrically connected to each other and through the second signal traces RX4, RX7, and RX10. One of the RX13 and the RX16 is connected to the corresponding signal processing channel CH_13 in the touch controller 910. The second portion of the second electrode is connected to the corresponding signal processing channel CH_14 in the touch controller 910 by using the second signal lines RX2, RX5, RX8, RX11, RX14, and RX17. In this example, the second signal traces RX2, RX5, RX8, RX11, RX14, and RX17 are electrically connected to each other and connected to the corresponding signal processing channel CH_14 of the touch controller 910 through the second signal trace RX2. However, the present invention is not limited thereto. For example, the second signal traces RX2, RX5, RX8, RX11, RX14, and RX17 may be electrically connected to each other and through the second signal traces RX5, RX8, and RX11. One of the RX 14 and the RX 17 is connected to the corresponding signal processing channel CH_14 in the touch controller 910. The third portion of the second electrode is connected to the corresponding signal processing channel CH_15 of the touch controller 910 by using the second signal lines RX3, RX6, RX9, RX12, RX15, and RX18. In this example, the two signal traces RX3, RX6, RX9, RX12, RX15, and RX18 are electrically connected to each other and through the second signal trace RX3. Connected to the corresponding signal processing channel CH_15 in the touch controller 910. However, the present invention is not limited thereto. For example, the second signal lines RX3, RX6, RX9, RX12, RX15, and RX18 may be electrically connected to each other and through the second signal lines RX6, RX9, and RX12. One of the RX15 and the RX18 is connected to the corresponding signal processing channel CH_15 in the touch controller 910. Therefore, the touch controller 910 only needs 15 signal processing channels CH_1~CH_15 by the area dividing manner and the signal routing mode of the touch panel 410 in the touch panel module 2000 as shown in FIG. Sufficient to drive and sense the touch panel 410.

In general, the number of signal processing channels CH_1~CH_15 required by the touch controller 910 shown in FIG. 5 can be based on the number of the first signal traces NTX1~NTX1212 and the number of second signal traces RX1~RX18. 18 and the number of regions D11 to D16 divided by FIG. 5 are determined by 6.

In the above embodiment, the number of signal processing channels CH_1~CH_15 required by the touch controller 910 shown in FIG. 5 can be further determined according to the first signal trace of each area D11~D16 (for example, the first signal of the area D11). The number of lines NTX1, NTX2) and the number of divided areas D11~D16 and the number of second signal lines RX1~RX18 of the touch panel 410 and the divided areas D11~D16 shown in FIG. The ratio of the number is determined. In detail, since the number of the first signal traces (for example, the first signal traces NTX1 and NTX2 of the region D11) of the respective regions D11 to D16 of FIG. 5 is 2, the area of the touch panel 410 is divided into 6, The number of the second signal lines RX1 to RX18 of the touch panel 410 is 18, so the number of signal processing channels CH_1~CH_15 required by the touch controller 910 of FIG. The product of 2 and 6 and the ratio of 18 to 6 are determined.

Further, in the foregoing embodiment, the number 12 of signal processing channels CH_1~CH_12 electrically connected to the first electrodes in the touch controller 910 of FIG. 5 may be according to the first signal trace of each area (for example, The number 2 of the first signal traces NTX1, NTX2) of the region D11 is determined by the product of the number 6 of the divided regions D11 to D16.

In addition, in the above embodiment, the number 3 of the signal processing channels CH_13~CH_15 electrically connected to the second electrodes in the touch controller 900 of FIG. 5 may be according to the second signal trace RX1 of the touch panel 400. The ratio of the number 18 of RX18 to the number 6 of the divided regions D11 to D16 is determined.

In the above embodiment, although the embodiment shown in FIG. 5 divides the touch panel 400 of FIG. 4 into six regions D11 to D16, the number of first signal traces in each region is two, and the touch panel The number of the second signal traces of 400 is 18, but the invention is not limited thereto. In other words, the touch panel 400 of FIG. 4 can also be divided into D regions, the number of the first signal traces in each region can be M, and the number of the second signal traces of the touch panel 400 can be N. , where M, N, and D are positive integers. Therefore, according to the description of the embodiment shown in FIG. 5, the signal processing channel required by the touch controller 900 of the touch panel module can be analogized after the touch panel 400 is divided into D regions. The number is (N/D) + (M × D).

In the above embodiment, the touch panel 400 of FIG. 5 includes six touch sensing units U51-U56, and each of the touch sensing units U51-U56 includes one or more of the first electrodes and the second One to many of the electrodes.

In the above embodiment, among the regions D11 to D16 divided in FIG. 5, the first signal traces NTX1 to NTX12 are electrically connected to the corresponding ones of the touch sensing units U51 to U56. An electrode. For example, in the area D11, the first signal line NTX1 is electrically connected to the first electrode corresponding to the touch sensing unit U51, and the first signal line NTX2 is electrically connected to the touch sensing unit U51. The first electrode corresponding to the middle. The related details about the first signal line and the corresponding first electrode of the first signal line may be referred to the related descriptions of FIG. 1 , FIG. 2 and FIG. 3 , and details are not described herein again.

In the above embodiment, the second signal traces RX1 RXX18 of the touch panel 400 are divided into one or more groups according to the number of the touch sensing units U51~U56 included in the respective regions D11~D16. For example, since the regions D11 to D16 shown in FIG. 5 each include a corresponding touch sensing unit U51~U56, the second signal traces RX1 RXX18 are divided into a group G51. In addition, in the touch panel 400, the group of second signal traces G51 are electrically connected to the corresponding touch sensing units U51~U56 of the respective regions D11~D16. The second signal trace G51 of the group of FIG. 5 includes the second signal traces RX1 R RX18. In the second signal line G51 of the group, the second signal lines RX1, RX4, RX7, RX10, RX13, and RX16 are electrically connected to each other and connected to the corresponding touch sensing units U51~U56. These second electrodes. In the second signal line G51 of the group, the second signal lines RX2, RX5, RX8, RX11, RX14, and RX17 are electrically connected to each other and connected to the corresponding touch sensing units U51~U56. These second electrodes. In the second signal trace G51 of the group, the second signal traces RX3, RX6, RX9, RX12, The RXs and the RXs 18 are electrically connected to each other and connected to the corresponding second electrodes of the corresponding touch sensing units U51 to U56.

Please refer to FIG. 6 . FIG. 6 is a block diagram of a touch panel module 3000 according to another embodiment of the invention. The touch panel module 3000 includes a touch panel 420 and a touch controller 920. The touch panel 420 includes a plurality of first electrodes (not shown) and a plurality of second electrodes (not shown). In the present embodiment, the layout structure of the touch panel 420 can be, for example, illustrated in FIGS. 1 to 3, and the present invention is not limited thereto. The touch controller 920 includes a plurality of signal processing channels CH_1~CH_12 for controlling the touch panel 420. The signal processing channels CH_1~CH_12 are used to drive one of the first electrode and the second electrode of the touch panel 420 as one of the driving electrodes, and to sense the first electrode and the second electrode of the touch panel 420 as sensing The capacitance of the other location of the electrode. In the present embodiment, the layout structure of the touch panel 420 can be, for example, illustrated in FIGS. 1 to 3, and the present invention is not limited thereto.

Please refer to Figure 6 again. The touch panel 420 has two sets of first signal branches TX1~TX6 and a plurality of second signal lines RX1~RX18. As shown in FIG. 1 , FIG. 2 and FIG. 3 , the two sets of first signal branches TX1 - TX6 of the touch panel 420 are used to connect the plurality of first electrodes and the touch controller 920 of the touch panel 420 . The second traces RX1 R RX18 are used to connect the plurality of second electrodes of the touch panel 420 and the touch controller 920 . Here, the touch panel 420 is divided into a plurality of regions, for example, three regions D21 to D23 as shown in FIG. 6. Therefore, the number of regions divided in this example is D=3. Each of the above regions D21 to D23 includes two sets of first signal branches and six second signal lines. For example, the area D21 includes two groups. The first signal branch lines TX1~TX2 and the six second signal lines RX1~RX6, wherein the first signal branch lines TX1 of the two groups are electrically connected to each other to form a first signal trace NTX1, and the first signal branch line of the two groups The TX2s are electrically connected to each other to form a first signal trace NTX2. The rest of the areas D22, D23 can be deduced by analogy. In other words, in this example, there are substantially two first signal traces for connecting the first electrode to the signal processing channels CH_1 and CH_2, that is, the number of the first signal traces M=2. The first electrodes of the touch panel 420 can be electrically connected to the corresponding signal processing channels CH_1~CH_6 of the touch controller 920 by using the first signal traces NTX1~NTX6, respectively. In detail, in the area D21 of the touch panel 420, a portion of the first electrodes are electrically connected to the corresponding signal processing channel CH_1 of the touch controller 920 by using the first signal trace NTX1. The first signal electrode is electrically connected to the corresponding signal processing channel CH_2 in the touch controller 920 by using the first signal trace NTX2. In the area D22 of the touch panel 420, a portion of the first electrodes are electrically connected to the corresponding signal processing channel CH_3 of the touch controller 920 by using the first signal trace NTX3. The first signal electrode is electrically connected to the corresponding signal processing channel CH_4 in the touch controller 920 by using the first signal trace NTX4. In the area D23 of the touch panel 420, a portion of the first electrodes are electrically connected to the corresponding signal processing channel CH_5 of the touch controller 920 by using the first signal trace NTX5. The first signal electrode is electrically connected to the corresponding signal processing channel CH_6 in the touch controller 920 by using the first signal trace NTX6. In other words, in this example, the number of first signal traces of each of the regions D21 to D23 is M=2. In this embodiment, the number of signal processing channels CH_1~CH_6 electrically connected to the first electrode in the touch controller 920 is determined according to the number of the first signal traces of each area, M=2, and the divided area. The number of products D=3 is determined, that is, the number of signal processing channels CH_1~CH_6 is M×D=6.

On the other hand, the second electrodes of the touch panel 420 are electrically connected to the corresponding signal processing channels CH_7~CH_12 of the touch controller 920 by using the second signal lines RX1 R RX18. In detail, in the touch panel 420, the first portion of the second electrode is electrically connected to the corresponding signal processing channel CH_7 in the touch controller 920 by using the second signal traces RX1, RX7, and RX13. In this example, the second signal traces RX1, RX7, and RX13 are electrically connected to each other and connected to the corresponding signal processing channel CH_7 of the touch controller 920 through the second signal trace RX1. However, the present invention is not limited thereto. For example, the second signal lines RX1, RX7, and RX13 may be electrically connected to each other and connected to the touch through one of the second signal lines RX7 and RX13. The corresponding signal processing channel CH_7 in the controller 920. The second portion of the second electrode is electrically connected to the corresponding signal processing channel CH_8 of the touch controller 920 by using the second signal traces RX2, RX8, and RX14. In this example, the second signal traces RX2, RX8, and RX14 are electrically connected to each other and connected to the corresponding signal processing channel CH_8 of the touch controller 920 through the second signal trace RX2. However, the present invention is not limited thereto. For example, the second signal lines RX2, RX8, and RX14 may be electrically connected to each other and connected to the touch through one of the second signal lines RX8 and RX14. The corresponding signal processing channel CH_8 in the controller 920. The third portion of the second electrode is electrically connected to the corresponding signal processing channel CH_9 in the touch controller 920 by using the second signal lines RX3, RX9, and RX15. In this example, the second signal lines RX3, RX9, and RX15 are electrically connected to each other and connected to the touch control through the second signal line RX3. The corresponding signal processing channel CH_9 in the controller 920. However, the present invention is not limited thereto. For example, the second signal lines RX3, RX9, and RX15 may be electrically connected to each other and connected to the touch through one of the second signal lines RX9 and RX15. The corresponding signal processing channel CH_9 in the controller 920. The electrical connection between the remaining second electrodes and the other signal processing channels can be derived from the above description. Therefore, the touch controller 920 only needs 12 signal processing channels CH_1~CH_12 by the area dividing manner and the signal routing mode of the touch panel 420 in the touch panel module 3000 as shown in FIG. Sufficient to drive and sense the touch panel 420.

In general, the number of signal processing channels CH_1~CH_12 required by the touch controller 920 shown in FIG. 6 can be based on the number of the first signal traces NTX1~NTX6 and the number of second signal traces RX1~RX18. 18 and the number of divided regions D21 to D23 are determined by three.

In the above embodiment, the number of signal processing channels CH_1~CH_12 required by the touch controller 920 shown in FIG. 6 can be further determined according to the first signal line of each area D21~D23 (for example, the first signal of the area D21). The ratio of the number of lines NTX1, NTX2) to the number of divided regions D21 to D23 and the number of second signal traces RX1 to RX18 of the touch panel 420 to the number of divided regions D21 to D23 Decide. In detail, since the number of the first signal traces (for example, the first signal traces NTX1 and NTX2 of the region D21) of the regions D21 to D23 of FIG. 6 is 2, the area of the touch panel 420 is 3, and The number of the second signal traces RX1 R RX18 of the touch panel 420 is 18, so the number 12 of the signal processing channels CH_1~CH_12 required by the touch controller 920 is based on the product of 2 and 3 and 18 and 3. The ratio is determined.

Further, in the foregoing embodiment, the number 6 of the signal processing channels CH_1~CH_6 electrically connected to the first electrodes in the touch controller 920 of FIG. 6 may be according to the first signal trace of each area (for example, The number 2 of the first signal traces NTX1, NTX2) of the region D21 is determined by the product of the number 3 of the divided regions D21 to D23.

In addition, in the above embodiment, the number 6 of signal processing channels CH_7~CH_12 electrically connected to the second electrodes in the touch controller 920 of FIG. 6 may be according to the second signal trace RX1 of the touch panel 420. The ratio of the number 18 of RX18 to the number 3 of the divided regions D21 to D23 is determined.

In the above embodiment, although the embodiment shown in FIG. 6 divides the touch panel 420 of FIG. 4 into three regions D21 to D23, the number of first signal traces in each region is two, and the touch panel 420 The number of second signal traces is 18, but the invention is not limited thereto. In other words, the touch panel 420 can be further divided into D areas, the number of the first signal traces in each area can be M, and the number of the second signal traces of the touch panel 420 can be N, where M , N, D are positive integers. Therefore, according to the related description of the embodiment shown in FIG. 6, it can be inferred that the number of signal processing channels of the touch controller 920 is (N/D)+(M×D).

In the above embodiment, the touch panel 420 of FIG. 6 includes six touch sensing units U61-U66, and each of the touch sensing units U61-U66 includes one or more of the first electrodes and the second One to many of the electrodes.

In the above embodiment, each of the regions D21 to D23 divided in FIG. The first signal traces NTX1 - NTX6 are electrically connected to the corresponding first electrodes of the touch sensing units U61 - U66 , respectively. For example, in the area D21, the first signal trace NTX1 is electrically connected to the first electrode corresponding to the touch sensing units U61 and U62, and the first signal trace NTX2 is electrically connected to the touch sense. The first electrodes corresponding to the U61 and U62 are measured. The details of the first signal line and the corresponding first electrode may be referred to the related descriptions of FIG. 1 , FIG. 2 and FIG. 3 , and details are not described herein again.

In the above embodiment, the second signal traces RX1 RXX18 of the touch panel 420 are divided into one or more groups according to the number of the touch sensing units U61 to U66 included in each of the regions D21 to D23. For example, since the area D21 shown in FIG. 6 includes two corresponding touch sensing units U61 and U62, the second signal lines RX1 RXX18 will be divided into two groups G61 and G62. In addition, in the touch panel 420, the group of second signal traces G61 are electrically connected to the corresponding touch sensing units U61, U63, and U65 of the respective regions D21 to D23. The second signal trace G62 of the group is electrically connected to the corresponding touch sensing units U62, U64, and U66 of the respective regions D21 to D23. Furthermore, the second signal traces G61 and G62 of the group include one or more of the second signal traces RX1 RXX18, and the one or more of the second signal traces G61 and G62 of the group. The two signal wires are electrically connected to the corresponding second electrodes of the touch sensing units U61 to U66. For example, the second signal trace G61 of the group includes the second signal traces RX1 RXX, RX7 RX9, and RX13 RX15, and the second signal trace G62 of the group includes the second signals. Line RX4~RX6, RX10~RX12, RX16~RX18. The second signal traces RX1, RX7, and RX13 are electrically connected to each other and connected to corresponding ones of the corresponding touch sensing units U61, U63, and U65. Two electrodes. The second signal traces RX2, RX8, and RX14 are electrically connected to each other and connected to corresponding ones of the corresponding touch sensing units U61, U63, and U65. Two electrodes. In the second signal line G61 of the group, the second signal lines RX3, RX9, and RX15 are electrically connected to each other and connected to the corresponding ones of the corresponding touch sensing units U61, U63, and U65. Two electrodes. In the second signal trace G62 of the group, the second signal traces RX4, RX10, and RX16 are electrically connected to each other and connected to the corresponding ones of the corresponding touch sensing units U62, U64, and U66. Two electrodes. In the second signal line G62 of the group, the second signal lines RX5, RX11, and RX17 are electrically connected to each other and connected to the corresponding ones of the corresponding touch sensing units U62, U64, and U66. Two electrodes. In the second signal line G62 of the group, the second signal lines RX6, RX12, and RX18 are electrically connected to each other and connected to the corresponding ones of the corresponding touch sensing units U62, U64, and U66. Two electrodes.

Please refer to FIG. 7. FIG. 7 is a block diagram showing the touch panel module 4000 according to another embodiment of the invention. The touch panel module 4000 includes a touch panel 430 and a touch controller 930. The touch panel 430 includes a plurality of first electrodes (not shown) and a plurality of second electrodes (not shown). In the present embodiment, the layout structure of the touch panel 430 can be, for example, illustrated in FIGS. 1 to 3, and the present invention is not limited thereto. The touch controller 930 includes a plurality of signal processing channels CH_1~CH_13 for use. To control the touch panel 430. The signal processing channels CH_1~CH_13 are used to drive one of the first electrode and the second electrode of the touch panel 430 as one of the driving electrodes, and to sense the first electrode and the second electrode of the touch panel 430 as sensing The capacitance of the location of the other of the electrodes. In the present embodiment, the layout structure of the touch panel 420 can be, for example, illustrated in FIGS. 1 to 3, and the present invention is not limited thereto.

Referring to FIG. 7 again, the touch panel 430 has three sets of first signal branches TX1~TX4 and a plurality of second signal lines RX1~RX18. As shown in FIG. 1 , FIG. 2 and FIG. 3 , the three sets of first signal branches TX1 - TX4 of the touch panel 430 are used to connect the plurality of first electrodes and the touch controller 930 of the touch panel 430 . The second traces RX1 R RX18 are used to connect the plurality of second electrodes of the touch panel 430 and the touch controller 930 . Here, the touch panel 430 is divided into a plurality of regions, for example, two regions D31 and D32 shown in FIG. Therefore, the number of regions divided in this example is D=2. Each of the above areas D31 and D32 includes three sets of first signal branches and nine second signal lines. For example, the area D31 includes three sets of first signal branches TX1~TX2 and nine second signal lines RX1~RX9, wherein the first signal branches TX1 of the three groups are electrically connected to each other to form a first signal trace NTX1. The first signal spurs TX2 of the three groups are electrically connected to each other to form a first signal trace NTX2. The area D32 includes three sets of first signal branch lines TX3~TX4 and nine second signal lines RX10~RX18, wherein the first signal branch lines TX3 of the three groups are electrically connected to each other to form a first signal trace NTX3, three groups. The first signal spurs TX4 are electrically connected to each other to form a first signal trace NTX4. In other words, in this example, the first one for connecting the first electrode to the signal processing channels CH_1, CH_2 There are essentially two signal traces, that is, the number of the first signal traces is M=2. The first electrodes of the touch panel 430 can be electrically connected to the corresponding signal processing channels CH_1~CH_4 of the touch controller 930 by using the first signal traces NTX1~NTX4, respectively. In detail, in the area D31 of the touch panel 430, a portion of the first electrodes are electrically connected to the corresponding signal processing channel CH_1 in the touch controller 930 by using the first signal trace NTX1. The first signal electrode is electrically connected to the corresponding signal processing channel CH_2 in the touch controller 930 by using the first signal trace NTX2. In the area D32 of the touch panel 430, a portion of the first electrodes are electrically connected to the corresponding signal processing channel CH_3 in the touch controller 930 by using the first signal trace NTX3. The first signal electrode is electrically connected to the corresponding signal processing channel CH_4 in the touch controller 930 by using the first signal trace NTX4. In other words, in this example, the number of first signal traces of each of the regions D31, D32 is M=2. In this embodiment, the number of signal processing channels CH_1~CH_4 electrically connected to the first electrode in the touch controller 930 is based on the number of the first signal traces of each area M=2 and the number of divided regions. The product of D=2 is determined, that is, the number of signal processing channels CH_1~CH_4 is M×D=4.

On the other hand, the second electrodes of the touch panel 430 are electrically connected to the corresponding signal processing channels CH_5~CH_13 of the touch controller 930 by using the second signal lines RX1 R RX18. In detail, in the touch panel 430, the first portion of the second electrode is electrically connected to the corresponding signal processing channel CH_5 of the touch controller 930 by using the second signal traces RX1 and RX10. In this example, the second signal traces RX1 and RX10 are electrically connected to each other and connected to the corresponding signal processing channel CH_5 of the touch controller 930 through the second signal trace RX1. However, the invention is not limited thereto. For example, the second signal lines RX1 and RX10 may be electrically connected to each other and connected to the corresponding signal processing channel CH_5 of the touch controller 930 through the second signal line RX10. The second portion of the second electrode is electrically connected to the corresponding signal processing channel CH_6 in the touch controller 930 by using the second signal lines RX2 and RX11. In this example, the second signal traces RX2 and RX11 are electrically connected to each other and connected to the corresponding signal processing channel CH_6 in the touch controller 930 through the second signal trace RX2. However, the present invention is not limited thereto. For example, the second signal lines RX2 and RX11 may be electrically connected to each other and connected to the corresponding signal processing channel CH_6 in the touch controller 930 through the second signal line RX11. The electrical connection between the remaining second electrodes and the other signal processing channels can be derived from the above description. As a result, the touch controller 930 only needs 13 signal processing channels CH_1~CH_13 by the area dividing manner and the signal routing mode of the touch panel 430 in the touch panel module 3000 as shown in FIG. Sufficient to drive and sense the touch panel 430.

In general, the number 13 of signal processing channels CH_1~CH_13 required by the touch controller 930 shown in FIG. 7 may be based on the number 4 of the first signal traces NTX1~NTX4 and the second signal trace RX1~RX18. The number 18 and the number of divided regions D31 to D32 are determined by 2.

In the above embodiment, the number of signal processing channels CH_1~CH_13 required by the touch controller 930 shown in FIG. 7 can be further determined according to the first signal trace of each area D31~D32 (for example, the first signal of the area D31) The number of lines NTX1, NTX2) and the number of divided areas D31~D32 and the number of second signal lines RX1~RX18 of the touch panel 430 and the number of the divided areas D31~D32 The ratio is determined. In detail, since the number of the first signal traces of the respective areas D31 to D32 (for example, the first signal traces NTX1 and NTX2 of the area D31) is 2, the area of the touch panel 430 is 2, and the touch panel is The number of the second signal traces RX1 RX18 of the 430 is 18, so the number 13 of the signal processing channels CH_1~CH_13 required by the touch controller 930 is determined according to the product of 2 and 2 and the ratio of 18 to 2.

Further, in the foregoing embodiment, the number 4 of the signal processing channels CH_1~CH_4 electrically connected to the first electrodes in the touch controller 930 of FIG. 7 may be according to the first signal trace of each area (for example, The number 2 of the first signal traces NTX1, NTX2) of the region D31 is determined by the product of the number 2 of the divided regions D31 to D32.

In addition, in the above embodiment, the number 9 of the signal processing channels CH_5~CH_13 electrically connected to the second electrodes in the touch controller 930 of FIG. 7 may be according to the second signal trace RX1 of the touch panel 430. The number 18 of RX18 is determined by the ratio of the number 2 of the divided regions D31 to D32.

In the above embodiment, although the embodiment shown in FIG. 7 divides the touch panel 430 into two regions D31 D D32, the number of first signal traces in each region is 2, and the second of the touch panel 430 The number of signal traces is 18, but the invention is not limited thereto. That is, the touch panel 430 can be further divided into D areas, the number of the first signal traces in each area can be M, and the number of the second signal traces of the touch panel 430 can be N, where M , N, D are positive integers. In this way, according to the related description of the embodiment shown in FIG. 5, the signal of the touch controller 930 can be analogized. The number of processing channels is (N/D) + (M × D).

In the above embodiment, the touch panel 430 includes six touch sensing units U71-U76, and each of the touch sensing units U71-U76 includes one or more of the first electrodes and the like. One to many of the second electrodes.

In the above embodiment, among the regions D31 to D32 divided in FIG. 7, the first signal traces NTX1 to NTX4 are electrically connected to the corresponding ones of the touch sensing units U71 to U76. An electrode. For example, in the area D31, the first signal trace NTX1 is electrically connected to the first electrode corresponding to the touch sensing units U71, U72 and U73, and the first signal trace NTX2 is electrically connected to the touch. The first electrodes corresponding to the sensing units U71, U72 and U73 are controlled. The details about the first signal trace and the corresponding first electrode may be referred to the related descriptions of FIG. 1, FIG. 2, and FIG. 3, and the description is not repeated here.

In the above embodiment, the second signal traces RX1 RXX18 of the touch panel 430 are divided into one or more groups according to the number of the touch sensing units U71 to U76 included in each of the regions D31 to D32. For example, since the area D31 shown in FIG. 7 includes three corresponding touch sensing units U71~U73, the second signal lines RX1~RX18 are divided into three groups G71~G73. In addition, in the touch panel 430, the group of second signal traces G71 are electrically connected to the corresponding touch sensing units U71 and U74 of the respective regions D31 to D32. The second signal line G72 of the group is electrically connected to the corresponding touch sensing units U72 and U75 of the respective areas D31 to D32. The second signal trace G73 of the group is electrically connected to the corresponding touch sensing units U73 and U76 of the respective regions D31 to D32. Furthermore, the second signal line of the group mentioned above G71~G73 includes one or more of the second signal lines RX1~RX18. In the group of second signal lines G71~G73, the one or more second signal lines are respectively electrically connected. Some of the second electrodes corresponding to the touch sensing units U71~U76. For example, the second signal trace G71 of the group includes the second signal traces RX1 RX3 and RX10 RX12, and the second signal trace G72 of the group includes the second signal traces RX4 RXX6, RX13~RX15, and the second signal trace G73 of the group includes the second signal traces RX7~RX9 and RX16~RX18. In the second signal line G71 of the group, the second signal lines RX1 and RX10 are electrically connected to each other and connected to the corresponding second electrodes of the corresponding touch sensing units U71 and U74. In the second signal line G71 of the group, the second signal lines RX2 and RX11 are electrically connected to each other and connected to the corresponding second electrodes of the corresponding touch sensing units U71 and U74. In the second signal line G71 of the group, the second signal lines RX3 and RX12 are electrically connected to each other and connected to the second electrodes corresponding to the touch sensing units U71 and U74. In the second signal line G72 of the group, the second signal lines RX4 and RX13 are electrically connected to each other and connected to the corresponding second electrodes of the corresponding touch sensing units U72 and U75. In the second signal line G72 of the group, the second signal lines RX5 and RX14 are electrically connected to each other and connected to the second electrodes corresponding to the corresponding touch sensing units U72 and U75. In the second signal line G72 of the group, the second signal lines RX6 and RX15 are electrically connected to each other and connected to the second electrodes corresponding to the corresponding touch sensing units U72 and U75. In the second signal trace G73 of the group, the second signal traces RX7 and RX16 are electrically connected to each other. Connected to and connected to the corresponding second electrodes of the corresponding touch sensing units U73, U76. In the group of the second signal traces G73, the second signal traces RX8 and RX17 are electrically connected to each other and connected to the corresponding second electrodes of the corresponding touch sensing units U73 and U76. The second signal traces RX9 and RX18 are electrically connected to each other and connected to the corresponding second electrodes of the touch sensing units U73 and U76.

In the above embodiments of FIG. 4 to FIG. 7 , the first electrodes and the second electrodes of the touch panels 400 , 410 , 420 , and 430 are disposed in the same conductive layer of the substrate. In other words, the touch panels 400, 410, 420, and 430 belong to a single-layer multi-point capacitive touch panel, but the invention is not limited thereto. In other embodiments of the present invention, the first electrode and the second electrode of the touch panel may also be disposed in different conductive layers. In other words, the touch panel may also be a double-layer multi-point capacitive touch panel.

Please refer to FIG. 8. FIG. 8 is a block diagram of a touch panel module 5000 according to another embodiment of the invention. The touch panel module 5000 includes a touch panel 440 and a touch controller 940. The touch panel 440 includes two first electrode serials TS1 and TS2 and six second electrode serials RS1 to RS6. However, the present invention is not limited thereto. The number of the first electrode series and the second electrode string described above depends on design requirements. Each of the first electrode serials TS1 and TS2 includes six first electrodes (not shown), and each of the second electrode serials RS1 to RS6 includes two second electrodes (not shown), wherein the first electrode string The columns TS1, TS2 and the second electrode series RS1 to RS6 are arranged in different conductive layers. It should be noted that, in this embodiment, the number of the first electrodes included in each of the first electrode serials TS1 and TS2 and the package of each of the second electrode serials RS1 to RS6 are included. The number of second electrodes is for illustrative purposes only and is not intended to limit the invention. The first electrode serials TS1 and TS2 and the second electrode serials RS1 to RS6 extend in different directions, for example, the first electrode serials TS1 and TS2 extend in the horizontal direction, and the second electrode serials RS1 to RS6. It is extended along the vertical direction. The orthographic projections of the first electrode serials TS1 and TS2 on the conductive layer where the second electrode serials RS1 to RS6 are located are substantially perpendicular to the second electrode serials RS1 to RS6, as shown in FIG. The first electrode serials TS1 and TS2 and the second electrode serials RS1 to RS6 may be any light-transmitting conductive material such as indium-tin oxide (ITO). The touch controller 940 includes a plurality of signal processing channels CH_1~CH_8 for controlling the touch panel 440. The signal processing channels CH_1~CH_8 are used to drive one of the first electrode and the second electrode of the touch panel 440 as one of the driving electrodes, and to sense the first electrode and the second electrode of the touch panel 440 as sensing The capacitance of the other location of the electrode.

In the embodiment shown in FIG. 8, the touch panel 440 has not yet divided the area, but from another point of view, it can also be regarded as being divided into one area, that is, the number of divided areas D=1. The first electrode serials TS1 and TS2 of the touch panel 440 are respectively connected to the two signal processing channels CH_1 and CH_2 of the touch controller 940 by using the first signal traces NTX1 and NTX2, and the second electrode serials RS1 to RS6 are respectively The second signal lines RX1 RX6 are connected to the six signal processing channels CH_3~CH_8 of the touch controller 940. Therefore, the number of signal processing channels used by the touch controller 940 is eight.

Please refer to FIG. 8 and FIG. 9 at the same time. FIG. 9 is a block diagram of a touch panel module 6000 according to another embodiment of the invention. In order to make the touch shown in Figure 8 The number of signal processing channels used by the controller 940 is reduced, and the touch panel 440 of FIG. 8 can be divided into a plurality of regions. For example, as shown in FIG. 9, the touch panel 450 is divided into two regions D81 and D82, that is, D=2. Please refer to FIG. 9 below. Each of the above regions D81 and D82 includes two first electrode serials and three second electrode serials. For example, the region D81 includes two first electrode serials TS11, TS12 and three second electrode serials RS1 to RS3, and the region D82 includes two first electrode serials TS13, TS14 and three second electrode strings. Column RS4~RS6. The first electrodes of the first electrode series TS11~TS14 of the touch panel 450 can be electrically connected to the corresponding signal processing channels CH_1~CH_4 of the touch controller 950 by using the first signal traces NTX1~NTX4, respectively. In detail, in the area D81 of the touch panel 450, the first electrode in the first electrode serial TS11 is electrically connected to the corresponding signal processing channel CH_1 in the touch controller 950 by using the first signal trace NTX1. The first electrode in the first electrode serial TS12 is electrically connected to the corresponding signal processing channel CH_2 in the touch controller 950 by using the first signal trace NTX2. In the area D82 of the touch panel 450, the first electrode in the first electrode serial TS13 is electrically connected to the corresponding signal processing channel CH_3 in the touch controller 950 by using the first signal trace NTX3. The first electrode in the first electrode serial port TS14 is electrically connected to the corresponding signal processing channel CH_4 in the touch controller 950 by using the first signal trace NTX4. In other words, in this example, the number of first signal traces of each of the regions D81, D82 is M=2. In this embodiment, the number of signal processing channels CH_1~CH_4 electrically connected to the first electrode in the touch controller 950 is based on the number of the first signal traces of each area M=2 and the number of divided regions. The product of D=2 is determined, that is, the number of signal processing channels CH_1~CH_4 is M × D = 4.

On the other hand, the second electrodes of the second electrode serials RS1 RS RS6 of the touch panel 450 are electrically connected to the corresponding signal processing channels CH_5 to CH_7 of the touch controller 950 by using the second signal traces RX1 R RX6 . . In detail, in the touch panel 450, the second electrodes of the second electrode serials RS1 and RS4 are electrically connected to the corresponding signal processing channels CH_5 of the touch controller 950 by using the second signal traces RX1 and RX4. In this example, the second signal traces RX1 and RX4 are electrically connected to each other and connected to the corresponding signal processing channel CH_5 of the touch controller 950 through the second signal trace RX1. However, the present invention is not limited thereto. For example, the second signal traces RX1 and RX4 may be electrically connected to each other and connected to the corresponding signal processing channel of the touch controller 950 through the second signal traces RX4. CH_5. The second electrodes of the second electrode serials RS2 and RS5 are electrically connected to the corresponding signal processing channels CH_6 of the touch controller 950 by using the second signal lines RX2 and RX5. In this example, the second signal lines RX2 and RX5 are electrically connected to each other and connected to the corresponding signal processing channel CH_6 in the touch controller 950 through the second signal line RX2. However, the present invention is not limited thereto. For example, the second signal traces RX2 and RX5 may be electrically connected to each other and connected to the corresponding signal processing channel in the touch controller 950 through the second signal traces RX5. CH_6. The second electrodes of the second electrode serials RS3 and RS6 are electrically connected to the corresponding signal processing channels CH_7 of the touch controller 950 by using the second signal traces RX3 and RX6. In this example, the second signal traces RX3 and RX6 are electrically connected to each other and connected to the corresponding signal processing channel CH_7 in the touch controller 950 through the second signal trace RX3. However, the invention is not limited thereto, such as these second messages. The wires RX3 and RX6 can also be electrically connected to each other and connected to the corresponding signal processing channel CH_7 in the touch controller 950 through the second signal wires RX6. Therefore, the touch controller 950 only needs 7 signal processing channels CH_1~CH_7 by the area dividing manner and the signal routing mode of the touch panel 450 in the touch panel module 6000 as shown in FIG. Sufficient to drive and sense the touch panel 450.

In general, the number 7 of signal processing channels CH_1~CH_7 required by the touch controller 950 shown in FIG. 9 can be based on the number 4 of the first signal traces NTX1~NTX4 and the number of second signal traces RX1~RX6. 6 and the number of divided regions D81 to D82 are determined by 2.

It should be noted that, in all embodiments of the present invention, the touch panel can determine the number of divided regions according to the number of first signal traces and the number of second signal traces, thereby reducing the touch controller. The number of channels to be processed using signals. Further, when the number of the first signal traces in each area is greater than the number of the second signal traces of the touch panel, as long as the number of the first signal traces in each area and the second signal of the touch panel go The proportion of the number of lines is larger than the number of areas divided by the touch panel (the number of areas is at least 2), which can reduce the number of signal processing channels required by the touch controller. Similarly, when the number of the second signal traces of the touch panel is greater than the number of the first signal traces of each area, the number of the second signal traces of the touch panel and the first signal of each area are traced. The number of the number is larger than the number of areas divided by the touch panel (the number of areas is at least 2), which can reduce the number of signal processing channels required by the touch controller. In addition, if the number of the second signal traces is greater than the number of the first signal traces, the second panel can be on the touch panel. The direction of the poles is divided into regions.

In order to make the above description easier to understand, the following description will be made with reference to FIG. 9 , and the embodiments of FIGS. 5 to 7 described above can be analogized thereto. Please refer to FIG. 9 again. In FIG. 9, the number of the first signal traces (for example, the first signal traces NTX1 and NTX2 of the region D81) of each area is 2, and the number of the second signal traces RX1 to RX6 of the touch panel 450 is 6. The number 6 of the first signal traces of each area and the number 6 of the second signal traces of the touch panel 450 6 and the number of the first signal traces of each area 2 and the touch The ratio of the smaller of the number 2 of the second signal traces 6 of the panel 450 is three. Therefore, when the number of regions defined by the touch panel 450 of FIG. 9 is less than 3, the number of signal processing channels required by the touch controller 950 of FIG. 9 can be lower than that of the touch controller 940 of FIG. The number of signal processing channels required to be used 8. In addition, since the number of the second signal traces of the touch panel 440 of FIG. 8 is greater than the number 2 of the first signal traces of the touch panel 440, it can be on the touch panel 450 of FIG. The arrangement direction (horizontal direction) of the second electrode is divided into two regions.

In summary, the touch panel module and the touch controller of the exemplary embodiment of the present invention can divide the touch panel into a plurality of regions, so that the number of signal processing channels of the touch controller can be touched. The number of the first signal traces of the control panel, the number of second signal traces, and the number of divided regions are determined. In this way, the number of signal processing channels in the touch controller can be reduced, and the cost of the touch controller can be further reduced. In addition, the touch panel can further determine the number of the divided regions according to the number of the first signal traces and the number of the second signal traces. In other words When the number of the first signal traces of each area is greater than the number of the second signal traces of the touch panel, the number of the first signal traces of each area and the number of the second signal traces of the touch panel are The ratio is greater than the number of areas defined by the touch panel (the number of areas is at least 2), which can reduce the number of signal processing channels required by the touch controller. Similarly, when the number of the second signal traces of the touch panel is greater than the number of the first signal traces of each area, the number of the second signal traces of the touch panel and the first signal of each area are traced. The number of the number is larger than the number of areas divided by the touch panel (the number of areas is at least 2), which can reduce the number of signal processing channels required by the touch controller.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

410‧‧‧Touch panel

910‧‧‧ touch controller

2000‧‧‧Touch panel module

CH_1~CH_15‧‧‧ signal processing channel

D11~D16‧‧‧ area

G51‧‧‧ group

GND‧‧‧ Grounding

NTX1~NTX12‧‧‧First signal trace

RX1~RX18‧‧‧Second signal trace

TX1~TX12‧‧‧first signal branch line

U51~U56‧‧‧Touch sensing unit

Claims (28)

A touch panel module includes: a touch controller including a plurality of signal processing channels; and a touch panel electrically connected to the touch controller, including a plurality of first electrodes, using a plurality of first The signal traces are electrically connected to the corresponding signal processing channels of the touch controller; and the plurality of second electrodes are electrically connected to the corresponding ones of the touch controllers by using the plurality of second signal traces a signal processing channel, wherein the touch panel is divided into a plurality of regions, and the number of the signal processing channels of the touch controller is based on the number of the first signal traces, the number of the second signal traces, and The number of these areas divided is determined. The touch panel module of claim 1, wherein the number of the signal processing channels of the touch controller is determined according to the number of the first signal traces in each area and the divided The product of the number of regions and the number of the second signal traces of the touch panel are determined by the ratio of the number of regions divided. The touch panel module of claim 2, wherein the number of the signal processing channels electrically connected to the first electrodes in the touch controller is based on the first of the regions The number of signal traces is determined by the product of the number of regions divided. The touch panel module of claim 2, wherein the number of the signal processing channels electrically connected to the second electrodes in the touch controller is The ratio of the number of the second signal traces of the touch panel to the number of the divided regions is determined. The touch panel module of claim 2, wherein the number of the first signal traces in each area is M, and the number of the second signal traces of the touch panel is N and The number of the divided regions is D, and the number of the signal processing channels of the touch controller is (N/D)+(M×D), where M, N, and D are positive integers. The touch panel module of claim 1, wherein the touch panel includes a plurality of touch sensing units, each of the touch sensing units including one or more of the first electrodes and the One or more of the second electrodes. The touch panel module of claim 6, wherein in each of the regions, the first signal traces are electrically connected to the corresponding first electrodes of the touch sensing units . The touch panel module of claim 6, wherein the second signal traces are divided into one or more according to the number of the touch sensing units included in each area of the touch panel. The group, wherein each of the regions includes the number of the touch sensing units greater than or equal to 1, and each group of second signal traces includes at least one second signal trace. The touch panel module of claim 8, wherein each of the second signal traces is electrically connected to the corresponding touch sensing units in each of the regions. The touch panel module of claim 9, wherein each of the The second signal trace includes one or more of the second signal traces. In each of the second signal traces, the one or more second signal traces are electrically connected to the corresponding touches. Corresponding to the second electrodes in the sensing unit. The touch panel module of claim 1, wherein the touch panel determines the divided regions according to the number of the first signal traces and the number of the second signal traces. Quantity. The touch panel module of claim 11, wherein the number of the divided regions is smaller than the number of the first signal traces of the respective regions and the second signals of the touch panel Proportion of the smaller of the number of traces and the smaller of the number of the first signal traces in the area and the number of the second signal traces of the touch panel . The touch panel module of claim 1, wherein the number of the second signal traces is greater than the number of the first signal traces, and the touch panel is at the second electrodes The arrangement direction is divided into the regions. The touch panel module of claim 1, wherein the first electrodes are one of a driving electrode and a sensing electrode selected from the touch panel, and the second electrodes are selected from the touch The other of the drive electrode and the sensing electrode of the control panel. A touch controller includes: a plurality of signal processing channels for controlling a touch panel, wherein the touch panel includes a plurality of first electrodes and a plurality of second electrodes, respectively, using a plurality of first signal traces and Multiple second signal traces are electrically connected to the touch The signal processing channels of the controller, wherein the touch panel is divided into a plurality of regions, and the number of the signal processing channels of the touch controller is based on the number of the first signal traces and the second signals The number of lines and the number of areas that are divided are determined. The touch controller of claim 15 , wherein the number of the signal processing channels of the touch controller is determined according to the number of the first signal traces in each area and the divided The product of the number of regions and the number of the second signal traces of the touch panel are determined by the ratio of the number of regions divided. The touch controller of claim 16, wherein the number of the signal processing channels electrically connected to the first electrodes in the touch controller is based on the first signals of the regions The number of traces is determined by the product of the number of regions divided. The touch controller of claim 16 , wherein the number of the signal processing channels electrically connected to the second electrodes in the touch controller is based on the second portions of the touch panel The ratio of the number of signal traces to the number of regions divided is determined. The touch controller of claim 16, wherein the number of the first signal traces in each area is M, and the number of the second signal traces of the touch panel is N and The number of the divided regions is D, and the number of the signal processing channels of the touch controller is (N/D)+(M×D), where M, N, and D are positive integers. The touch controller of claim 15 , wherein the touch panel comprises a plurality of touch sensing units, each of the touch sensing units including one or more of the first electrodes and the One to many of the second electrodes. The touch controller of claim 20, wherein in each of the regions, the first signal traces are electrically connected to the corresponding first electrodes of the touch sensing units. The touch controller of claim 20, wherein the second signal traces are divided into one or more groups according to the number of the touch sensing units included in each area of the touch panel. The number of the touch sensing units included in each of the regions is greater than or equal to 1, and each of the second signal traces includes at least one second signal trace. The touch controller of claim 22, wherein each of the second signal traces of the group is electrically connected to the corresponding touch sensing units in each of the regions. The touch controller of claim 23, wherein each of the second signal traces includes one or more of the second signal traces, and in each of the second signal traces of the group, The one or more second signal traces are electrically connected to the corresponding second electrodes of the corresponding touch sensing units. The touch controller of claim 15, wherein the touch panel determines the number of the divided regions according to the number of the first signal traces and the number of the second signal traces. . Such as the touch controller described in claim 25, wherein the division is divided The number of the regions is smaller than the number of the first signal traces in the region and the number of the second signal traces of the touch panel, and the plurality of regions The ratio of the number of one signal traces to the smaller of the number of the second signal traces of the touch panel. The touch controller of claim 15, wherein the number of the second signal traces is greater than the number of the first signal traces, and the touch panel is arranged in the second electrodes The direction is divided into these areas. The touch controller of claim 15 , wherein the first electrodes are one of a driving electrode and a sensing electrode selected from the touch panel, and the second electrodes are selected from the touch The other of the drive electrode and the sense electrode of the panel.